According to the author, which of the following events influenced the development of the Harlem Renaissance? *
1.The emancipation of enslaved African Americans
2.African American participation in World War I
3.African Americans obtaining the right to vote
4.The Great Depression

2. African American participation in World War I

Explanation:

In the passage, the speaker describes how the "defeat of the kaiser" boosted spirits and raised optimism, and the kaiser was the leader of Germany during WWI.

the answer is b. hope this !

d. china

good luck

d is the best choice